期刊
PHYSICS LETTERS B
卷 746, 期 -, 页码 217-222出版社
ELSEVIER
DOI: 10.1016/j.physletb.2015.05.001
关键词
Inflation; String theory; Axion monodromy; Non-geometric fluxes
资金
- Alexander von Humboldt Foundation
- MIUR [FIRB RBFR10QS5J]
- Padua University [CPDA144437]
It is shown that Starobinsky-like potentials can be realized in non-geometric flux compactifications of string theory, where the inflaton involves an axion whose shift symmetry can protect UV-corrections to the scalar potential. For that purpose we evaluate the backreacted, uplifted F-term axion-monodromy potential, which interpolates between a quadratic and a Starobinsky-like form. Limitations due to the requirements of having a controlled approximation of the UV theory and of realizing single-field inflation are discussed. (C) 2015 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY license.
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